Square D HJA36070UHYP 70A 3-Pole 600 V Circuit Breaker

Square D HJA36070UHYP 70A 3-Pole 600 V Circuit Breaker delivers dependable overcurrent protection for three-phase electrical systems. With a 70-amp rating and a three-pole configuration, it safely interrupts fault currents to safeguard wiring, motors, and control panels in demanding commercial and industrial environments. Part number HJA36070UHYP ensures precise identification for quick replacements and service crews.

• Current rating: 70 A
• Poles: 3
• Voltage rating: 600 V
• Part number: HJA36070UHYP
• Brand: Square D

Why this 3-Pole, 600 V breaker matters

The three-pole design is purpose-built for three-phase equipment, providing coordinated protection for motors, conveyors, pumps, and HVAC systems. The 600 V rating gives you the voltage headroom needed in many industrial environments, helping to prevent nuisance trips from voltage fluctuations while still delivering fast disconnection during overloads or short circuits. As a Square D component, it’s engineered for reliable operation within Square D panels and enclosures, ensuring compatibility and straightforward maintenance in your existing electrical infrastructure.

Ideal use cases

• Protecting three-phase motors in manufacturing lines, mixers, and compressors
• Feeding three-phase loads in commercial HVAC and refrigeration systems
• Serving as a main or branch circuit protection device in industrial control panels
• Replacement for failing breakers within compatible Square D installations to minimize downtime

Practical installation and maintenance notes

• Ensure your system operation stays within the 600 V maximum rating; do not exceed this voltage in service panels.
• Confirm panel compatibility with the HJA36070UHYP part number before replacement to maintain proper fit and trip characteristics.
• Keep spares ready in your maintenance stock for rapid replacement, reducing downtime during fault events.

In summary, the Square D HJA36070UHYP 70A 3-Pole 600 V Circuit Breaker is a purpose-built, ready-to-install protection solution for three-phase electrical systems. It combines a solid current rating with a robust three-pole design to safeguard critical equipment, streamline service, and maintain continuity in industrial and commercial power distribution.